You probably own at least one device that relies on infrared communication. Infrared is the key to making dumb devices smart for a fraction of the price it would cost for a new “smart” appliance.

When you buy through our links, Business Insider may earn an affiliate commission. Learn more It might be hard to remember now, but there was once a time when must-have streaming services started and ...

If you have the Kindle app installed on your iPhone or Android device, you can add ebooks to your library with a few taps. In the example below, I downloaded an ebook from Project Gutenberg on my ...